Include the shebang first line.
Include the shebang first line.

Include the Unix shebang first line to indicate that this file should
be run by PHP.

Siftah/Digital-Ocean-Dynamic-DNS-Updater,bensquire/Digital-Ocean-Dynamic-DNS-Updater,bensquire/Digital-Ocean-Dynamic-DNS-Updater,Siftah/Digital-Ocean-Dynamic-DNS-Updater